![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Test whether the point ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=94930ff338ff526c7f1b006ef41b760d.png\")
is a solution of a system of inequalities.
Substitute the any point of the original inequality.
\If the condition is satisfied, then the test point is a solution of the system of inequalities.
\If the condition is not satisfied, then the test point is not a solution of the system of inequalities.